. Bulletin. Natural history; Natural history. Stidy of thk Ciiin( II Bug 517. ^00 350 400 450 500 S50 TTlll Fig. 12. Curves showing the miilday light conditions in the experimental chambers (especially units A and B), indicated in percentage of the midday sunlight of clear days in early July, The measurements were made with screened photo-electric cells with the wave-length sensitivity shown below by the shaded pol- ygons. The Roman numerals on the curves are used in Figs. 14- 21 and in Table VII to designate the curves in their relations to particular experiments. adults by the tfiiili of |ii
. Bulletin. Natural history; Natural history. Stidy of thk Ciiin( II Bug 517. ^00 350 400 450 500 S50 TTlll Fig. 12. Curves showing the miilday light conditions in the experimental chambers (especially units A and B), indicated in percentage of the midday sunlight of clear days in early July, The measurements were made with screened photo-electric cells with the wave-length sensitivity shown below by the shaded pol- ygons. The Roman numerals on the curves are used in Figs. 14- 21 and in Table VII to designate the curves in their relations to particular experiments. adults by the tfiiili of |iil\-. l^rst-stage nymphs of the second genera- tinn tlicn ;i])|)caiT(l in the ciillurc, and the ridnlts iiractically (hsapjieared h\ July "'". liiciilcntally, the sex of tlmse i-i-iiiaiiiiiig was not deter- mined, liiit the presence of males is to lie e.\])ected and they wonl<l not. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
